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Finding the Fourth Proportional to 50,937, 76,436.22 and 21,753

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Solution

The fourth proportional to 50,937, 76,436.22 and 21,753 is: 32,642.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,937 : 76,436.22 = 21,753 : x
  2. Step 2: Convert to fraction form
    50,937/76,436.22 = 21,753/x
  3. Step 3: Cross multiply
    50,937x = 76,436.22 × 21,753
  4. Step 4: Simplify right side
    50,937x = 1,662,717,093.66
  5. Step 5: Solve for x
    x = 1,662,717,093.66/50,937
  6. Step 6: Final answer
    x = 32,642.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.